Garcelle Beauvais, Sutton Stracke, Erika Giradi, Crystal Kung Minkoff, Dorit Kemsley and Kyle Richards.Photo: Kyle Richards/Instagram

The ladies ofTheReal Housewives of Beverly Hillsare celebrating costarCrystal Kung Minkoff’s milestone birthday.
Kyle Richardsshared a series ofphoto booth imageson Instagram Sunday of the group gathered together in front of a red rose backdrop at a party held for the star, who turned 40.
“Sometimes we play nice 😜 Happy birthday @crystalkungminkoff,” the 54-year-old captioned the carousel of photos, which included a picture of herself with Minkoff,Garcelle Beauvais,Erika Giradi,Dorit Kemsleyand Sutton Stracke.
Two other snaps featured Richards' 23-year-old daughter Sophia, whom she shares with husband Mauricio Umansky.
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Crystal Minkoff.Crystal Minkoff/Instagram

The birthday party shot of the cast was shared not long after Beauvais, 56, confirmed they had started filming season 13 ofRHOBHlast week.
“Here we go! #thegirls #rhobh 13💎,” she captioned a photo of herself sitting at a beautifully decorated table with Minkoff, Richards, Kemsley, 46, Giradi, 51, and Stracke, 51, as cameras could be seen in the background.
Earlier this month, Richards told PEOPLE she hadmixed feelings about filmingthe new season.
“‘Excited’ is not necessarily the word I would use. But I love the people that I work with. I love working with the network and the production, and all those people are like family to me now,” she said. “So I rely on them, that I have this relationship with them.”
“It’s funny because I haven’t had anxiety in a while,” she added. “And just talking about the show tonight, it started kicking up again. I was like, ‘There’s definitely a direct link between my anxiety and the show.'”
RHOBH cast filming season 13.Garcelle Beauvais/Instagram

Richards’ former costarsLisa RinnaandDiana Jenkinsannounced their departures from the Bravo series last month. Richards noted that she believes the viewership of the show will remain strong amid the cast shakeup.
source: people.com